Class: RuboCop::Cop::Rails::PluralizationGrammar

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/rails/pluralization_grammar.rb

Overview

This cop checks for correct grammar when using ActiveSupport's core extensions to the numeric classes.

Examples:

# bad
3.day.ago
1.months.ago

# good
3.days.ago
1.month.ago

Constant Summary collapse

SINGULAR_DURATION_METHODS =
{ second: :seconds,
minute: :minutes,
hour: :hours,
day: :days,
week: :weeks,
fortnight: :fortnights,
month: :months,
year: :years }.freeze
PLURAL_DURATION_METHODS =
SINGULAR_DURATION_METHODS.invert.freeze
MSG =
'Prefer `%<number>s.%<correct>s`.'

Constants included from Util

Util::LITERAL_REGEX

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offense, all, autocorrect_incompatible_with, badge, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, #correct, department, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #messages, non_rails, #parse, qualified_cop_name, #relevant_file?, #target_rails_version, #target_ruby_version

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first

Methods included from AST::Sexp

#s

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, comment_line?, double_quotes_required?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, tokens, trim_string_interporation_escape_character

Methods included from PathUtil

absolute?, chdir, hidden_dir?, hidden_file_in_not_hidden_dir?, match_path?, pwd, relative_path, reset_pwd, smart_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop

Instance Method Details

#autocorrect(node) ⇒ Object



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# File 'lib/rubocop/cop/rails/pluralization_grammar.rb', line 40

def autocorrect(node)
  lambda do |corrector|
    method_name = node.loc.selector.source

    corrector.replace(node.loc.selector, correct_method(method_name))
  end
end

#on_send(node) ⇒ Object



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# File 'lib/rubocop/cop/rails/pluralization_grammar.rb', line 31

def on_send(node)
  return unless duration_method?(node.method_name)
  return unless literal_number?(node.receiver)

  return unless offense?(node)

  add_offense(node)
end